12234139 has 4 divisors (see below), whose sum is σ = 12260160. Its totient is φ = 12208120.

The previous prime is 12234127. The next prime is 12234151. The reversal of 12234139 is 93143221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93143221 = 17 ⋅5479013.

It is an interprime number because it is at equal distance from previous prime (12234127) and next prime (12234151).

It is a cyclic number.

It is not a de Polignac number, because 12234139 - 2⁷ = 12234011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12234239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12292 + ... + 13249.

It is an arithmetic number, because the mean of its divisors is an integer number (3065040).

Almost surely, 2^12234139 is an apocalyptic number.

12234139 is a deficient number, since it is larger than the sum of its proper divisors (26021).

12234139 is an equidigital number, since it uses as much as digits as its factorization.

12234139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26020.

The product of its digits is 1296, while the sum is 25.

The square root of 12234139 is about 3497.7334089379. The cubic root of 12234139 is about 230.4222802990.

The spelling of 12234139 in words is "twelve million, two hundred thirty-four thousand, one hundred thirty-nine".